<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登录</title>
    <style type="text/css">
        #container {
            background-color: blanchedalmond;
            width: 300px;
            height: 400px;
            display: flex;
            margin: 100px auto;
            padding: 20px;
        }

        .title {
            font-size: 20px;
        }

        .line {
            width: 100%;
            height: 1px;
            background-color: gray;
        }
    </style>
</head>
<body>
    <div id="container">
        <div class="title">密码登录</div>
        <div class="line"></div>
    </div>
</body>
</html>